These bacteria proliferate over time and block the xylem and will also lead to foul smell. Thus in order to avoid that, water containing one-teaspoon chlorine per lit water can be used. Chlorine is a disinfectant and keeps the bacteria count low.Water temperature is important for the blooming. Cold water is useful in the hot weather. It keeps the flower cooler and thus delays its development and death. Sometimes it could be necessary to use warm water around 40oC especially in the case of severely dehydrated flowers as it passes quickly through xylem.pH of the water avoids bacterial growth too. A pH of around three is acidic and keeps the contamination away. Apart from this, the acidic water passes quickly through xylem. Vinegar is a good source to reduce the pH.As the flower is cut from the plant, it needs a source of energy. The best way is to add sucrose to the media. 2% sucrose is usually sufficient for a normal floral development. Nevertheless, sugar in the media also promotes bacterial growth, thus it is important to lower the pH and to add disinfectant as well.Ethylene is a plant hormone – a gas that is produced in the flower. Excessive ethylene can hurt the flower. Fortunately it is possible to lower the ethylene accumulation in the flower by storing them at lower temperatures.Four-week-old plants were bought at a local plant nursery ensuring that they are all of same age and treated exactly the same way. After bring them home, they were treated exactly the same way for 48 hours before cutting the flowers.All cut flowers for the experiments were stored in separate vase in a room with ambient light. Fresh air circulation was insured through an. Preservation of the cut flowers.
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